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- 1. Multiple Choice
Which subatomic particle has a positive charge?
proton
neutron
electron
midichlorian
- 2. Multiple Choice
Which subatomic particle has a negative charge?
proton
neutron
electron
cybertron
- 3. Multiple Choice
What is the center of an atom called?
The headquarters
The centrometer
The hypothesis
The nucleus
- 4. Multiple Choice
Typically in an atom, which two subatomic particles are equal in number?
protons and neutrons
all subatomic particles are equal in number
neutrons and electrons
protons and electrons
- 5. Multiple ChoiceWhat does the 6 represent above the CSymbolNameMass NumberAtomic Number
- 6. Multiple Choice
The nucleus of an atom contains which subatomic particles?
protons and electrons
protons and neutrons
electrons and neutrons
protons, electrons, and neutrons
- 7. Multiple Choice
Which change describes a substance that changes shape, form, or appearance but is still the same substance?
physical change
chemical change
- 8. Multiple Choice
What happens when a new substance is produced during a reaction?
physical change
chemical change
- 9. Multiple Choice
Melting ice
physical change
chemical change
- 10. Multiple Choice
Burning wood
physical change
chemical change
- 11. Multiple Choice
rusty nail
physical change
chemical change
- 12. Multiple Choice
broken glass
physical change
chemical change
- 13. Multiple Choice
Fizzing, foaming, and burning are all examples of
physical change
chemical change
- 14. Multiple Choice
Acid in stomach, breaking down food.
physical change
chemical change
- 15. Multiple ChoiceAn instant ice pack getting cold when the chemicals are able to touch.Chemical ChangePhysical Change
- 16. Multiple Choice
What is aluminum (Al)?
Element
Compound
Mixture
- 17. Multiple Choice
What is water (H2O)?
Element
Compound
Mixture
- 18. Multiple Choice
What is table salt (NaCl)?
Element
Compound
Mixture
- 19. Multiple Choice
What is soda?
Element
Compound
Mixture
- 20. Multiple Choice
What is salad dressing?
Element
Compound
Mixture
- 21. Multiple Choice
What is air?
Element
Compound
Mixture
- 22. Multiple Choice
What are eggshells (CaCO3)?
Element
Compound
Mixture
- 23. Multiple ChoicePeriodsGroups
- 24. Multiple ChoicePeriodsGroups
- 25. Multiple Choiceenergy levelsvalence electronsprotonsneutrons
- 26. Multiple Choiceenergy levelsvalence electronsprotonsneutrons
- 27. Multiple ChoiceSame groupSame period
- 28. Multiple ChoiceGroup 1Group 17Group 2Group 18
- 29. Multiple ChoiceGroup 1Group 17Group 18Group 2
- 30. Multiple ChoiceGroup 1Group 17Group 18Group 2
- 31. Multiple ChoiceMetalsNonmetalsMetalloids
- 32. Multiple ChoiceMetalsNonmetalsMetalloids
- 33. Multiple ChoiceMetalsNonmetalsMetalloids
- 34. Multiple ChoiceMetalsNonmetalsMetalloids
- 35. Multiple ChoiceMetalsNonmetalsMetalloids
- 36. Multiple ChoiceMetalsNonmetalsMetalloids
- 37. Multiple Choice
Chemical Reaction
a substance formed as a result of a chemical reaction
a change in matter that produces one or more new substances
the process in which substances undergo chemical changes that result in the formation of new substances
a substance that enters into a chemical reaction
- 38. Multiple Choice
The Law of Conservation of Matter
tells how many atoms of an element are contained in one molecule or formula unit.
the starting materials in a chemical reaction
the new substances that are formed in a chemical reaction
A law stating that atoms are not created or destroyed during a chemical reaction.
- 39. Multiple Choice
Is the equation balanced?: 2H2O + O2 --> 4MgO + 3Fe
yes
no
- 40. Multiple Choice
Balance this equation
_Al +_HCl --> _H2 +_AlCl3
2,6,3,2
it's already balanced
4,12,3,4
2,1,4,5
- 41. Multiple Choice
The coefficient in 3H2O is
6
5
2
3
- 42. Multiple ChoiceHow many atoms of carbon (C) are in C6H12O6?361224
- 43. Multiple ChoiceHow many Sodium (Na) are in 6NaCl?1126
- 44. Multiple ChoiceHow many Hydrogen are in 4H2O?6824
- 45. Multiple ChoiceIs this equation balanced?yesnoNot enough information
- Answer choicesTagsAnswer choicesTags